Automotive electrical systems
More informationAt Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.
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Part no. 06M911021A
Audi SQ5 FY Starter Motor Engine Diesel Bosch 06M911021A
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BMW E60 E63 E64 E65 PDC Parking Control Module Unit ECU 6930204
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Pedestrian Protection Sensor BMW F10 F11 Front Bumper Crash Impact Unit 9261962
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Audi Q2 GA Gateway Diagnostics Interface Control Module 3Q0907530AC
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Door Wiring Loom BMW E63 E64 Harness Passengers Side 6928975
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Head Unit Mercedes W447 Radio Navigation Audio 15 Control Unit A4479002405
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Audi VW Volkswagen Seat Relay Unit Module 9 Pins 12V UH2 4B0955531A
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BMW E38 728i M52 193HP Engine Control Unit ECU Module DME 1429861 Automatic
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Mercedes W204 C200 CDI 651.913 136HP Engine Unit ECU Kit A6519007500 Automatic
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Vauxhall Combo D 1.3 Cdti A13FD Engine Wiring Harness Loom 00552479600
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Transfer Box Module BMW X5 X6 E70 E71 Control Unit ECU ATC700 7566297
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CD Radio Player BMW X3 Z4 E83 E85 E86 Radio Business CD Audio Unit 9205278
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Hands Free Control BMW E81 E87 E90 Electronics Charging Module MULF 6965406
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BMW 7 Series E65 E66 E67 Sensor B-Pillar Airbag Right O/S 6970894
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Mercedes W906 313 CDI OM651.955 129HP Engine ECU Kit A6519002600 Key Lock Manual
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Mercedes X156 GLA 220 OM651.930 170HP 4Matic Engine ECU A6519007003 Automatic
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BMW E46 Control Unit Module Mirror Memory 6913364
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Battery Relay Mercedes W211 CLS W219 Module Control Unit 12V A0025426419
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BMW F20 F21 F30 F31 Rear Body Control Unit Module REM 9329703
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BMW 1 3 Series E81 E87 E90 E91 E92 Radio CD Professional 65129132214 9132214
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Body Control Module BMW X3 F25 ECU Junction Box JBBFE III 3 Lear 9304587
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Wireless Charger BMW F90 M5 G30 Centre Console Phone Module Unit 6801509
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Mini R56 R57 R58 R60 Display Screen 9 inch Android Surround Panel H2862N-P
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Alternator BMW E53 E83 M57N2 Generator Diesel Engine Power 150A 7797661
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Peugeot 308 9HP 1.6 Diesel DV6DTED Engine Control ECU Module 9666729580 Manual
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Audi Q2 GA 35 TDI DTTC 150HP Quattro Engine ECU Kit 05L907309B Ignition + Key
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Volkswagen Audi Skoda Audi 1.6 TDI Diesel Engine Starter Motor 0AM911023M
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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129003908
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Mercedes-Benz A B E Class W169 W211 W245 Sensor Module ECU A0035420318
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Fuse Box Mercedes CLA C117 X156 W176 W246 Relay Unit A2469067200
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BMW E39 Audio Amplifier Radio Sound System Hifi AMP Control Module 8362444
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Mercedes GLE C292 Coupe Trunk Lid Module Automatic Closing A2929007101
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Mini F55 F56 F57 Visual Boost Surround Central Cover Instrument 9388224
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Mercedes W212 Audio 20 CD Player Audio Stereo Radio Head Unit A2129005010
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BMW F20 F21 F30 F31 F32 Body Control Comfort Module Unit FEM ECU LR01 9315684
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Part no. 7809196-1
BMW X3 E83 LCI 2.0d N47 Engine ECU Module Kit DDE 7809196 + EWS + Keys Automatic
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Alternator Generator BMW E87 E90 E91 Diesel Engine Electrical Unit 150A 7802471
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Engine Control Unit BMW E81 E87 E90 E91 LCI N47 Diesel ECU DDE 8512499
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Part no. 8P0971085B
Audi A3 8P Front Bumper PDC Parking Sensor Wiring Harness Loom 8P0971085B
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BMW X5 E70 Head Unit CIC DAB Professional Navigation System Controller 9239226
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BMW F20 F30 116i 316i N13 136HP Engine ECU KIT DME 8614302 + FEM + 2 Keys
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BMW F98 Engine Starter Motor 8671505
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BMW E39 E46 E53 Radio BMW Professional TMC 65128385897 8385897
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BMW 3 Z3 Series E36 Electrical Fuse Relay Box Storage Trim 1387614
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BMW E46 Rear Antenna Aerial Amplifier AM/FM 6912824
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Mercedes Vito W447 Fuse Relay Box Module A4475405931
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BMW F13 Footwell Light Module Control Unit ECU FRM3 9313933
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Porsche Boxster 986 Air Module Control Unit ECU 99661821901
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Mercedes-Benz M ML W163 Front Left Right Door Wiring Loom Harness A1635403033
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SAM Module Mercedes W205 GLC X253 Front Body Comfort Control Unit A2059007845
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Audi A6 C8 Front Camera Driver Assistance Control Unit Module zFAS 4KE907107AR
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Headlight Module Audi A6 C7 A7 A8 Headlamp Range Control Unit 4H4907357C
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BMW E90 E91 LCI 330d Diesel N57 245HP ECU Engine Kit DDE 8507136 CAS3 + Keys
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BMW 7 Series E65 E66 E67 Diagnosis Interface Media System MOST Jumper 6917541
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BMW E60 E61 E63 E65 Dynamic Drive Control Unit Module Front Suspension 6780590
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Audi A6 C6 Door Module Front Driver's Side Control Unit ECU 4F0959793R
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BMW E90 320si 173HP N45 Petrol Engine ECU Kit DME 7560955 + CAS2 + 2 Keys Manual
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BMW E46 Inclination Indicator Alarm Tilt Sensor Module 6923215
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Mercedes Vito W639 SAM Module Electric Control Unit A6395450601
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Mercedes ML W164 OM642 Diesel Engine Wiring Loom Harness Cable A6421507733
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Lexus LS400 1UZFE V8 Petrol Engine Alternator Generator Denso 2706050200
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Part no. E92-PDC-WIRING-LOOM-HARNESS-REAR-BUMPER-1
BMW E92 LCI PDC Wiring Loom Harness Rear Bumper
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BMW Mini One R56 N12 1.4 N12B14A 95HP Petrol ECU Kit DME 7589971 + CAS3 + 2 Keys
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BMW Z4 E89 EMF Module Parking Rear Brake Unit Electric Control 6792626
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Mercedes-Benz E-Class A207 W207 Convertible Air Module System Control Unit
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BMW i3 I01 High Voltage Energy Storage Unit Wiring Cable Wire 6809274
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Porsche Cayman 987C BCM Body Control Module Unit ECU 99761826006
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Part no. 8610484
BMW F20 F21 114i N13 102HP Engine Control Unit ECU Module DME 8610484 Manual
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BMW F20 F21 F22 F30 F31 Radio Player CD Bluetooth Head Unit Control 9290992
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Mercedes SLK R171 Parking Distance Aid Sensor Control Unit Module A1715451332
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Part no. 7501690
BMW 3 5 7 X5 Series E38 E39 E46 E53 Generator Alternator Bosch 120A 7501690
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Steering Lock Module Mercedes W204 W207 W212 Control Unit A2045458132
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Audi A4 B8 2.0TDI CAHA 170HP Quattro Engine ECU Kit Ignition + 2 Key 03L906022RM
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Volkswagen Crafter 2E 2.0 TDI Diesel Engine Alternator 03L903023P
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BMW 1 Series E87 Footwell Light Control Module Unit PL2 FRMFA Lear 6987997
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Mercedes W203 C200 Kompressor 163HP M271.940 Engine ECU Kit A2711534279 Key Lock
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Audi A4 B9 Boot Tailgate Control Module Unit 4M0959107B
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BMW Z4 E85 Roadster Cabrio Safety Information Module Airbag 6938264
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BMW Z4 E85 E86 Roadster Interior Fuse Box 6978265
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Audi A6 C6 2.0 TDI BRE 140HP Engine Control Module ECU Set 03G906016HS Manual
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Ford Transit Mk8 Fuse Box Power Distribution Junction Relay BK3T-14401-EWD
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BMW X3 F25 Body Control Module ECU Junction Box JBBFE III V9 Lear 9287218
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Seat Leon FR 5F Dashboard Multimedia DIsplay Sat Nav Screen 5F0919606
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Mercedes-Benz S-Class W220 Tailgate Boot ECU Control Unit Module A2208201317
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Engine Wiring Mercedes W906 Diesel OM651 Cable Loom Harness A6511505120
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Bumper Reflector Renault Trafic III Vauxhall Vivaro B Rear Light 7700353184
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MINI Cooper R50 W10 116HP Engine ECU Kit DME 7520019 + EWS3 + Key Automatic
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Mercedes CLA C117 W166 Head Unit Sat Nav Navigation Display Screen A1669001420
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Mini Cooper D R55 R56 LCI R60 N47N Engine ECU Kit DDE 8516739 CAS3 Key Manual
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Mercedes W639 PDC Display Parking Sensor Screen Control Unit A0015422623
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Mercedes W221 Remote Trunk Closing Hydraulic Pump Motor Unit A2218001548
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BMW X3 F25 X4 F26 Integrated Supply Module 8645515
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BMW E60 E90 E91 N52 330i 530i ECU Kit DME CAS2 Key 7553166 Automatic
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Part no. A2049067702-1
Mercedes W204 Fuse Box Rear SAM Module Electrical Fuse Unit A2049067702
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Mercedes W204 C180 BlueEFFICIENCY M274.910 156HP Engine Unit ECU A2749000700
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BMW 1 3 Series E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9110890
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Part no. 7811700-10
BMW E81 E87 E90 E91 120d 320d N47 Engine Control Unit ECU DDE 7811700 Automatic
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Volkswagen Fox 1.2 Petrol CHFB 55HP Engine Control ECU Manual 03D906023Q
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Key components of vehicle electrical systems
Original electrical parts for popular car brands
A car's electrical system is a complex system responsible for many key functions—from engine starting to lighting and on-board electronics. Modern cars are equipped with increasingly advanced electrical solutions that not only improve driving comfort but also enhance safety. At the Global Parts automotive store you will find a wide range of used car parts , such as alternators, starters, batteries, control modules and other automotive electrical systems that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini and many others.
How does a car's electrical system work?
A car's electrical system is a complex system that consists of several key components that work together to ensure the vehicle's reliable operation:
- Battery accessories – Includes clamps, cables, holders and other components necessary for battery installation and maintenance.
- Electronic control modules and controllers – They control and manage the operation of various vehicle systems, such as the engine, air conditioning and ABS.
- Alternators and generators – Responsible for generating electricity and charging the battery while the engine is running.
- Parts for alternators and generators – Including voltage regulators, brushes and bearings that ensure proper operation of the alternator.
- Starters – Key components of the starting system that enable the engine to be started.
- Starter parts – Including bendixes, rotors and solenoids necessary for the proper operation of the starter.
- Batteries – They store the electrical energy necessary to start the engine and power on-board systems.
- Wires, harnesses and connectors – They transmit energy and electrical signals between various vehicle systems.
- Fuses and fuse boxes – Protect the electrical system against overloads and short circuits.
- Relays – They control the flow of current in individual electrical circuits of the vehicle. A functioning electrical system is the basis for the reliability of your car, regardless of operating conditions.
Key technical parameters of electrical systems
Each of these components has specific technical parameters that determine its compatibility with the vehicle. For example, alternators installed in mid-range cars (e.g., Volkswagen Passat B6) typically have a capacity of 90 A to 140 A, while luxury vehicles (e.g., Mercedes S-Class) require alternators with a capacity exceeding 180 A. Starter motors vary in torque and operating voltage – the standard is 12 V, while 24 V starters are used in heavy-duty vehicles.
Why is it worth taking care of your car's electrical system?
Regular maintenance and replacement of electrical system components is key to reliability and road safety. Faulty components can lead to:
- Problems starting the engine.
- Failure of safety systems such as ABS or airbags.
- Decreased efficiency of on-board equipment, e.g. lighting or air conditioning. At the Global Parts store we offer original used car parts , which have undergone detailed quality tests, ensuring their full functionality.
Symptoms of electrical system disruptions
In practice, electrical faults manifest themselves in a variety of ways. Drivers most often notice: dimming lights when parked, difficulty starting the engine, a voltage drop on the on-board computer, or air conditioning malfunctions. The table below presents typical correlations:
| Symptom | Possible cause | Item to check |
|---|---|---|
| Difficulty starting the engine | Worn out starter or battery | Starter motor, battery |
| Dimming the lights | Inefficient alternator | Alternator, voltage regulator |
| Electric windows not working | Damaged relays or harness | Relays, wires |
How to choose the right parts for your electrical system?
When choosing parts for the electrical system, such as alternators, starters or control modules, it is worth paying attention to:
- Vehicle-specific fit – Every car make and model requires specific specifications. At Global Parts, you'll find parts that perfectly fit BMW , Audi , Mercedes , Volkswagen , Mini, and many more .
- Technical condition – All used parts we offer are thoroughly checked to ensure their reliability.
- Technical parameters – For example, alternators should have appropriate current output, adapted to the needs of your vehicle.
Compatibility and fit
The selection of electrical parts is based primarily on OEM part numbers, but matching them to specific parameters is equally important, including current, voltage, and the number of connector pins. For example, the 120A alternator used in the Audi A4 B7 differs significantly from the 150A version installed in the Audi A6 C6 . Therefore, using manufacturer catalogs or providing the VIN makes finding the right component much easier.
Why choose used electrical parts?
Purchase of used car parts This solution allows you to combine savings with quality. Why choose it?
- Lower costs – Used alternators, starters and other parts are cheaper than new ones, but offer the same high quality.
- Ecology – You support recycling and reduce waste by choosing used car parts .
- Wide range – We offer electrical parts for the most popular car brands, so you can easily find what you need.
How to take care of your car's electrical system?
To ensure your electrical system operates reliably for years, it is worth remembering a few rules:
- Regularly check the battery condition and charge level.
- Take care of your cables and connectors – corrosion or damage can lead to voltage drops and failures.
- Monitor the operation of the alternator and starter – early detection of problems will help avoid more serious breakdowns. If you have any problems, you will find the right car parts at Global Parts that will help restore your vehicle to full working order.
Step-by-step control procedures
- Measure the battery voltage with a multimeter – the resting value should be approximately 12.6 V.
- Check the charging voltage with the engine running – the correct range is 13.8–14.5 V.
- Assess the condition of the wires and terminals – lack of corrosion and a firm seat are essential.
- If in doubt, check the quiescent current consumption – it should not exceed 0.05–0.08 A.
FAQ - Frequently asked questions about electrical systems in cars
| Question | Answer |
|---|---|
| What is a car electrical system? | This is a set of components responsible for powering and controlling all electrical functions in the car – from engine starting to multimedia. |
| What is an alternator for in a car? | The alternator generates electrical current when the engine is running and charges the battery. |
| What is the difference between a starter and an alternator? | The starter motor is used solely to start the engine, while the alternator is responsible for generating energy while driving. |
| How to check if the battery is working? | Just measure its voltage – a healthy battery should have approximately 12.6 V at rest and maintain a voltage above 10 V during cranking. |
| What are the most common symptoms of car electrical failure? | Problems starting the engine, flashing warning lights, power windows not working or dimming lights. |
| Do electrical parts from one model fit another? | Sometimes yes, but the key is to match it by VIN or OEM number – this guarantees compatibility. |
| How often should you check your electrical system? | It is worth performing basic diagnostics (battery, alternator) at least once a year or before a long trip. |
Summary: Automotive electrical systems at Global Parts Automotive Store
Automotive electrical systems are the foundation of the reliability and comfort of every modern vehicle. By choosing the right parts, such as alternators, batteries, and control modules, you can ensure your car's full operational efficiency. The Global Parts automotive store invites you to browse our wide selection of original used car parts . Whether you're looking for car parts for BMW , Audi , Volkswagen , Mercedes, Mini , or others, you'll find them at competitive prices. We strive to ensure every customer finds the right parts for their car, and if you have any questions or concerns about selecting the right components, we're happy to help! Please contact us – we're here to help! For more information and interesting facts, visit our automotive blog .